A simple example of making a material fail "better": By fine-tuning the thickness of the connecting spokes in a sheet of acrylic, we can change how it transmits force when fractured.

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A simple example of making a material fail "better": By fine-tuning the thickness of the connecting spokes in a sheet of acrylic, we can change how it transmits force when fractured. With thick spokes (left), fractures propagate in a straight line and concentrate the impact. Thin spokes (right) divert the fracture across the sheet, diffusing the impact.
A simple example of making a material fail "better": By fine-tuning the thickness of the connecting spokes in a sheet of acrylic, we can change how it transmits force when fractured.

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